Denso 234-4705 Oxygen Sensor - Downstream

Denso OE Style Oxygen Sensor 234-4705

Denso 234-4705 is an OE Style heated oxygen sensor built for exact replacement and first-time fit. It is engineered for downstream applications on select Nissan models, including Altima, Sentra, 200SX, and 240SX, with direct-fit compatibility for the listed years and positions.

The OE Style line focuses on factory-style fit and sensor performance. Denso uses a precision-built design and an aluminum oxide trap layer to help protect the ceramic element from silicone and lead contamination, supporting stable engine operation and consistent fuel control.

Key Features

• Heated oxygen sensor with specific fitment
• Downstream placement for listed Nissan applications
• 4-wire design with male connector
• Threaded mounting type with 0.708 thread diameter
• Wiring harness length: 12.20
• OE Style replacement for direct installation

Detailed Description

This Denso oxygen sensor is designed for emissions control systems that rely on accurate exhaust feedback. It is a direct replacement for select Nissan Altima, Sentra, 200SX, and 240SX applications, and the part number 234-4705 is built to match the original sensor location and connection style. The heated design helps the sensor reach operating temperature quickly for reliable signal output.

Denso 234-4705 cross-references ACDelco 213-1391 and NTK 24545 for the same application. The OE Style construction supports proper fitment on downstream sensor locations across 1996-1999 Nissan vehicles listed below.

What It Helps Address

• Check engine light related to oxygen sensor performance
• Rough idle caused by inaccurate exhaust readings
• Reduced fuel economy from incorrect air-fuel feedback
• Emissions test failures tied to sensor response issues
• Slow sensor warm-up on heated oxygen sensor circuits

Installation Notes and Tips

• Verify downstream position before ordering and installation.
• Confirm connector style, wire count, and thread size against the original sensor.
• Inspect the harness routing and connector condition before final installation.
• Use the listed vehicle application data for 1996-1999 Nissan Altima, Sentra, 200SX, and 240SX.

Quality Assurance

Denso manufactures and tests this OE Style oxygen sensor to strict original-equipment standards. The precision-built design is intended to deliver accurate replacement fitment and dependable sensor performance for the listed Nissan applications.